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CN105983254A - Liquid discharging device and method of sedimentation tank - Google Patents

Liquid discharging device and method of sedimentation tank Download PDF

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Publication number
CN105983254A
CN105983254A CN201610130250.6A CN201610130250A CN105983254A CN 105983254 A CN105983254 A CN 105983254A CN 201610130250 A CN201610130250 A CN 201610130250A CN 105983254 A CN105983254 A CN 105983254A
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CN
China
Prior art keywords
stalk
liquid
sedimentation basin
gas
liquid discharge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610130250.6A
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Chinese (zh)
Inventor
周岗
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nantong Henghe Environmental Protection Technology Co Ltd
Original Assignee
Nantong Henghe Environmental Protection Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nantong Henghe Environmental Protection Technology Co Ltd filed Critical Nantong Henghe Environmental Protection Technology Co Ltd
Priority to CN201610130250.6A priority Critical patent/CN105983254A/en
Publication of CN105983254A publication Critical patent/CN105983254A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24Feed or discharge mechanisms for settling tanks
    • B01D21/2444Discharge mechanisms for the classified liquid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0024Inlets or outlets provided with regulating devices, e.g. valves, flaps

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Sewage (AREA)

Abstract

The invention discloses a liquid discharging device and a liquid discharging method of a sedimentation tank. The discharging device comprises a draught fan, a gas pipe, a liquid lifting pipe, a gas distributor and a gas-liquid separation groove; one end of the gas pipe is connected with the draught fan and the other end of the gas pipe penetrates into the liquid lifting pipe and is connected with the gas distributor located in the liquid lifting pipe; and one end of the liquid lifting pipe stretches into the sedimentation tank and the other end of the liquid lifting pipe is bent and corresponds to the gas-liquid separation groove, so that liquid in the sedimentation tank is discharged to the gas-liquid separation groove. The discharging device and method disclosed by the invention are high in efficiency and low in device fault rate.

Description

The liquid discharge device of sedimentation basin and discharge method
Technical field
The present invention relates to the liquid handling field of sedimentation basin, it particularly relates to a kind of sedimentation basin Liquid discharge device and liquid discharge method.
Background technology
At present, either producing running water or processing sewage, precipitation is all main technique. The spoil disposal work of sedimentation basin is extremely important, it is therefore an objective to the deposition at the bottom of pond or scraped long-pending The deposition of mud ditch is discharged to outside pond, it is ensured that smoothly completing of depositing technology function.In a lot of engineerings Sedimentation basin must use pump (dredge pump) suction suction dredge spoil disposal or directly use pump (dredge pump) From suction spoil disposal at the bottom of sedimentation basin, therefore, the sedimentation basin of these engineerings all exist deposition row clean, Or the problem of dredge pump frequent breakage.Searching to the bottom reason, this is that existing equipment cannot be avoided Congenital performance characteristics, be summarized as following some:
1st, the aspiration ranges of every dredge pump is limited, there is suction sky between dredge pump and dredge pump Lacking, the deposition row of vacancy is not clean;If increase dredge pump quantity, cost of investment increase and Energy consumption is multiplied.This is a contradiction that cannot be in harmonious proportion.
When the 2nd, using the improved form of many suction hoses of a dredge pump band, by sedimentation basin Di Ge district The uneven impact of territory deposition proterties, the hydraulics of each suction hose is different, causes spoil disposal in pond Uneven, equally exist the unclean problem of deposition row;And for ensureing the hydraulics of suction hose As far as possible identical, the suction hose mouth of pipe can not do greatly, and in sewage treatment project, suction hose is often dirty One of foreign material blocking in water, the reason that this is dredge pump frequent breakage.
3rd, in needing sedimentation basin when maintenance, water level reduces or emptying, complex procedures, and work is strong Degree is big, and elapsed-time standards is long, big to normal Influence of production.
In addition, a lot of sewage farms desired want big flow sewage backflow (nitrification liquid backflow), Sludge reflux, frequently with submersible sewage pump, has the disadvantage in that
1st, dredge pump volume is big, deal heavy, carries laborious, inconvenient during maintenance.
2nd, in sewage, foreign material are many, cause dredge pump failure-frequency high.
3rd, in sewage treatment plant through being applied in combination frequently with multiple stage dredge pump, trouble point is many, takies Space is big.
Content of the invention
The technical problem to be solved is, the deficiency existing for prior art, carries Having supplied liquid discharge device and the discharge method of a kind of sedimentation basin, it can reduce fault rate.
For solving above-mentioned technical problem, the technical solution used in the present invention is: a kind of sedimentation basin Liquid discharge device, including blower fan, tracheae, stalk, gas pipe and gas-liquid separating tank, Described tracheae one end is connected with described blower fan, the other end penetrate in described stalk and be positioned at institute Stating the described gas pipe in stalk to connect, one end of described stalk stretches to described sedimentation basin In, the other end bends and corresponds to described gas-liquid separation groove, with by the liquid in described sedimentation basin It is expelled to described gas-liquid separation groove.
Preferably, described blower fan is roots blower.
Preferably, described tracheae is provided with flow control valve.
Preferably, described tracheae is positioned between described flow control valve and described blower fan Location strings is connected to magnetic valve and service valve.
Preferably, described tracheae is positioned at the position between described magnetic valve and described service valve Put and be serially connected with the first articulation.
Preferably, described tracheae is positioned between described flow control valve and described stalk Location strings be connected to the second articulation.
Preferably, described stalk includes the main paragraph vertically extending and is positioned at described The bending segment of main paragraph upper end, described bending segment is curved to be downwardly extended.
Preferably, the lower end of described gas-liquid separation groove is connected with for dividing described gas-liquid The drain pipe that liquid in groove is discharged.
Preferably, the lower end of described main paragraph is connected with horn mouth, and described horn mouth leans on The diameter of one end of nearly described main paragraph is less than the diameter of the one end away from described main paragraph.
Additionally, the present invention discloses the liquid discharge method of a kind of sedimentation basin, the method include with Lower step:
Step one, is inserted into stalk at sedimentation basin, and the liquid in sedimentation basin flows into stalk In;
Step 2, insufflation gas in stalk, the liquid in stalk under the effect of gas Density is less than the fluid density outside stalk, and the liquid outside stalk constantly enters in stalk simultaneously Outside finally the other end of stalk being expelled to sedimentation basin.
Implement liquid discharge device and the discharge method of the sedimentation basin of the present invention, have following beneficial Effect:
1st, when using, how set stalk is applied in combination eliminates suction vacancy, ensures that deposition is got rid of dry When net, it is not necessary to increase the quantity of blower fan, it is only necessary to set up corresponding tracheae branch road, compare dredge pump Decrease trouble point, reduce energy consumption;
2nd, blower fan can be shared without affecting aerobe with Aerobic biological process pond in part occasion Process the oxygen-transfer efficiency in pond, decrease blower fan quantity, decrease trouble point, reduce energy consumption;
When the 3rd, using many set stalks, each set stalk is separate, and often overlaps stalk output Fluid flow high-visible at gas-water separation groove, therefore, can according to often overlap stalk output Fluid flow judge the uneven situation of each region deposition proterties at the bottom of sedimentation basin, and can be by every The flow control valve of set tracheae branch road independently to regulate and control often set gas pipe and is distributed into compressed-air actuated amount, Realize the independence control to the fluid flow often overlapping stalk output, and then eliminate at the bottom of sedimentation basin each The uneven adverse effect brought of region deposition proterties;
4th, the parts carrying liquid only have stalk, compared with dredge pump, and simple in construction, excessively stream Passage is much larger than the impeller of dredge pump, therefore, it is allowed to the foreign material size passed through is big, at sewage Will not block in science and engineering journey, foreign material do not result in electromechanical equipment and damage;
5th, this device is not limited by the deep condition in pond, and the sedimentation basin of the various degree of depth can use.? Underwater does not has mechanical, electrical, rotation, high pressure, wearing terrain, non-maintaining;
6th, this device is without fixing under liquid, is not necessarily to the clear pond of draining in the transformation of existing pond.
Brief description
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the schematic diagram of the liquid discharge device of the sedimentation basin of the present invention.
Detailed description of the invention
In order to make the object, technical solutions and advantages of the present invention clearer, below in conjunction with Embodiment and accompanying drawing, the present invention is described in more detail.
The liquid discharge device of the present invention, for by liquid rows such as the sewage of indication in background technology Go out, to ensure smoothly completing of precipitation process.In the present invention, the liquid of indication, refers to sedimentation basin Sewage etc. containing impurity produced by.
With reference to shown in Fig. 1, the liquid discharge device of a kind of sedimentation basin of the present invention, including blower fan is the 1st, Tracheae the 12nd, stalk the 9th, gas pipe 7 and gas-liquid separating tank 10, blower fan 1 by tracheae 12 to Gas pipe 7 carries gas, and gas pipe 7 is for becoming tiny bubble by gas breaking, is allowed to melt Enter liquid and fluid density is reduced.
Tracheae 12 one end is connected with blower fan 1, flange and bolt specifically can be used to connect, gas It in the other end of pipe 12 penetrates stalk 9 and is connected with the gas pipe 7 being positioned at stalk 9, Specifically, tracheae 12 and gas pipe 7 can use the mode of welding.It is easily understood that Tracheae 12 is penetrated position can be sealed by many sealing means stalk 9, example Such as sealing gasket etc..One end of stalk 9 stretches in sedimentation basin, and the other end bends and corresponds to Gas-liquid separation groove 10, to be expelled to gas-liquid separation groove 10 by the liquid in sedimentation basin.
In the present invention, blower fan 1 is as the generation equipment of gas, for supplying in stalk 9 Gas, as a kind of mode, blower fan 1 is roots blower.
Regulate the flow of gas for convenience, in the present invention, tracheae 12 is provided with Flow-rate adjustment Valve 5.Especially, when being configured with many set stalk the 9th, gas pipe 7 and tracheaes 12, logical Cross the flow control valve 5 on each tracheae 12 to enter the gas flow of different tracheaes 12 Row is regulated respectively.
For the ease of the control to gas circuit, in the present invention, tracheae 12 be positioned at flow control valve 5 with Location strings between blower fan 1 is connected to magnetic valve 4 and service valve 2, as such, it is possible to convenient regulation The break-make etc. of this gas circuit, in order to realize maintenance etc..Wherein, service valve 2 can be chosen as lock Valves etc., it is complementary with magnetic valve 4, it is simple to control break-make.Preferably, tracheae 12 is positioned at Location strings between magnetic valve 4 and service valve 2 is connected to the first articulation 3, thus facilitates tracheae The connection of each section of 12.Be similar to, tracheae 12 be positioned at flow control valve 5 and stalk 9 it Between location strings be connected to the second articulation 6, thus realize that the dismounting of tracheae 12 connects.
Each above-mentioned valve and the connection of tracheae 12, all can use threaded mode, should Part can be consistent, no longer too much with existing many connected modes description.
In the present invention, the shape of stalk 9 can be chosen as multiple, it is simple to stretches to sedimentation basin In and in making pond liquid enter, as one embodiment, stalk 9 includes vertically The main paragraph extending and the bending segment being positioned at main paragraph upper end, bending segment is curved to be downwardly extended, So, the lower end of stalk 9 is for the entrance of liquid, bending segment then arc downwardly extend for Derive liquid to gas-liquid separation groove 10.For in gas-liquid separation groove 10 liquid discharge just, make For preferred version, the lower end of gas-liquid separation groove 10 is connected with for by gas-liquid separation groove 10 The drain pipe 11 that liquid is discharged, as such, it is possible to be expelled to other bit of storage in time by this liquid Put.Drain pipe 11 can be fixed on the lower section of steam-water separation groove by way of welding.
Guiding liquid to enter to stalk 9 for convenience, in the present invention, the lower end of main paragraph connects Having horn mouth 8, the diameter near one end of main paragraph for the horn mouth 8 is less than the one end away from main paragraph Diameter, so, when stalk 9 is inserted in sedimentation basin, liquid be easier to enter.
Additionally, the present invention discloses the liquid discharge method of a kind of sedimentation basin, the method includes following Step:
Step one, is inserted into stalk 9 at sedimentation basin, and the liquid in sedimentation basin flows into stalk In 9.
In this step, it is achieved in pond, liquid enters into the process of stalk 9, thus is follow-up Process is prepared.
Step 2, insufflation gas in stalk 9, under the effect of gas in stalk 9 Fluid density is less than the fluid density outside stalk 9, and the liquid outside stalk 9 constantly enters liter Outside in liquid pipe 9 and finally the other end of stalk 9 being expelled to sedimentation basin.
Specifically, in conjunction with present embodiment, the course of work of the present invention is as follows:
A, roots blower are drawn air and change into low-pressure compressed air (i.e. pressure is 30~60kPa Compressed air), carried by tracheae the 12nd, service valve the 2nd, the first articulation the 3rd, magnetic valve 4 To flow control valve 5;
B, flow control valve 5 adjust compressed air require to after setting value, by the second articulation 6th, tracheae 12 is delivered to gas pipe 7;
Compressed air produced by roots blower is broken into tiny bubble, preferably by c, gas pipe 7 For the bubble less than 2mm for the diameter, this bubble is distributed into stalk 9;
D, liquid (water or muddy water mixed solution) flows into stalk 9 after horn mouth 8 current stabilization in pond;
It is mixed that e, tiny bubble and the liquid of inflow carry out being thoroughly mixed to form air water in stalk 9 Close emulsion, due to the proportion of mixing wastewater with air emulsion than stalk 9 outside the proportion of liquid little, gas Water mixed emulsion is up lifted and is entered gas-liquid separation groove 10 from the upper end of stalk 9;
F, in gas-liquid separation groove 10 due to pressure experienced reduce and falling process in shock, Tiny bubble and liquid natural separation, tiny bubble escapes in air, and liquid is under gravity It is discharged to follow-up pond by drain pipe 11.
The operation principle that the present invention is utilized is as follows:
Liquid inside and outside stalk 9 is connection, when tiny bubble is mixed in liquid and is allowed to When forming mixed emulsion, the density of mixed emulsion drastically diminishes (proportion also drastically declines), is about Stalk 9 outer tintometric 15~25%, by connecting pipe principle, for keeping pressure balance, rises In liquid pipe 9, liquid level rises.When the height of stalk 9 upper end rises maximum high less than aforementioned liquid level When spending, the liquid in sedimentation basin can be transfused to gas-liquid separation groove 10 endlessly.
It is distributed into compressed-air actuated amount by adjusting gas pipe 7, the proportion of adjustable mixed emulsion, And the proportion of the liquid outside stalk 9 is invariable, i.e. have adjusted the proportion inside and outside stalk 9 Difference, makes pressure reduction follow change, and then affects in stalk 9 outer liquid inflow stalk 9 Speed, under conditions of stalk 9 size constancy, is i.e. presented as and is transported to gas-liquid separation groove The changes in flow rate of the liquid of 10.Therefore, it is right to realize that compressed-air actuated flow control valve 5 is set The flow-control of liquid.
This discharger of the present invention and discharge method have the advantage that
1st, when using, how set stalk is applied in combination eliminates suction vacancy, ensures that deposition is got rid of dry When net, it is not necessary to increase the quantity of electromechanical equipment (roots blower), it is only necessary to set up corresponding tracheae Branch road, compares dredge pump and decreases trouble point, reduce energy consumption.
2nd, part occasion can to share roots blower aerobic without affecting with Aerobic biological process pond The oxygen-transfer efficiency of biological treatment tank, decreases electromechanical equipment quantity, decreases trouble point, reduces Energy consumption.
3rd, many set stalks are separate, and the fluid flow often overlapping stalk output divides at air water Away from groove high-visible, therefore, can according to often overlap stalk output fluid flow judge to sink The uneven situation of pond, shallow lake Di Ge region deposition proterties, and can be adjusted by often overlapping the flow of tracheae branch road Joint valve independently regulates and controls often set gas pipe and is distributed into compressed-air actuated amount, it is achieved defeated to often overlapping stalk The independence control of the fluid flow going out, and then it is uneven to eliminate each region deposition proterties at the bottom of sedimentation basin The adverse effect brought.
4th, the parts carrying liquid only have stalk, compared with dredge pump, and simple in construction, excessively stream Passage is much larger than the impeller of dredge pump, therefore, it is allowed to the foreign material size passed through is big, at sewage Will not block in science and engineering journey, foreign material do not result in electromechanical equipment and damage.
5th, this device is not limited by the deep condition in pond, and the sedimentation basin of the various degree of depth can use.? Underwater does not has mechanical, electrical, rotation, high pressure, wearing terrain, non-maintaining.
6th, this device is without fixing under liquid, is not necessarily to the clear pond of draining in the transformation of existing pond.
7th, can select suitable material according to medium, anti-corrosion method selects convenient.
8th, the end opening of stalk can be flooded by mud, and therefore sediment is high, water consumption rate is low, Energy consumption is low.
The general principle of the present invention and principal character and the present invention excellent has more than been shown and described Point.Skilled person will appreciate that of the industry, the present invention is not restricted to the described embodiments, on State the principle that the present invention is simply described described in embodiment and specification, without departing from the present invention On the premise of spirit and scope, the present invention also has various changes and modifications, and these change and change Enter to both fall within scope of the claimed invention.Claimed scope is by appended power Profit claim and equivalent thereof define.

Claims (10)

1. the liquid discharge device of a sedimentation basin, it is characterised in that include blower fan, tracheae, Stalk, gas pipe and gas-liquid separating tank, described tracheae one end is connected with described blower fan, another It in end penetrates described stalk and is connected with the described gas pipe being positioned at described stalk, described One end of stalk stretches in described sedimentation basin, and the other end bends and corresponds to described gas-liquid and divides From groove, so that the liquid in described sedimentation basin to be expelled to described gas-liquid separation groove.
2. the liquid discharge device of sedimentation basin according to claim 1, it is characterised in that Described blower fan is roots blower.
3. the liquid discharge device of sedimentation basin according to claim 1, it is characterised in that It is provided with flow control valve on described tracheae.
4. the liquid discharge device of sedimentation basin according to claim 3, it is characterised in that The location strings that described tracheae is positioned between described flow control valve and described blower fan be connected to magnetic valve with And service valve.
5. the liquid discharge device of sedimentation basin according to claim 4, it is characterised in that The location strings that described tracheae is positioned between described magnetic valve and described service valve is connected to the first loose joint Head.
6. the liquid discharge device of sedimentation basin according to claim 5, it is characterised in that The location strings that described tracheae is positioned between described flow control valve and described stalk is connected to second and lives Joint.
7. the liquid discharge device of sedimentation basin according to claim 1, it is characterised in that Described stalk includes the main paragraph vertically extending and is positioned at the bending of described main paragraph upper end Section, described bending segment is curved to be downwardly extended.
8. the liquid discharge device of sedimentation basin according to claim 7, it is characterised in that The lower end of described gas-liquid separation groove is connected with for by the liquid discharge in described gas-liquid separation groove Drain pipe.
9. the liquid discharge device of sedimentation basin according to claim 7, it is characterised in that The lower end of described main paragraph is connected with horn mouth, and described horn mouth is near one end of described main paragraph Diameter less than the diameter of one end away from described main paragraph.
10. the liquid discharge method of a sedimentation basin, it is characterised in that the method includes following Step:
Step one, is inserted into stalk at sedimentation basin, and the liquid in sedimentation basin flows into stalk In;
Step 2, insufflation gas in stalk, the liquid in stalk under the effect of gas Density is less than the fluid density outside stalk, and the liquid outside stalk constantly enters in stalk simultaneously Outside finally the other end of stalk being expelled to sedimentation basin.
CN201610130250.6A 2016-03-08 2016-03-08 Liquid discharging device and method of sedimentation tank Pending CN105983254A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610130250.6A CN105983254A (en) 2016-03-08 2016-03-08 Liquid discharging device and method of sedimentation tank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610130250.6A CN105983254A (en) 2016-03-08 2016-03-08 Liquid discharging device and method of sedimentation tank

Publications (1)

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CN105983254A true CN105983254A (en) 2016-10-05

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106731053A (en) * 2016-11-25 2017-05-31 江苏鼎弘环境科技有限公司 A kind of air lift mud discharging device
CN112331497A (en) * 2020-10-27 2021-02-05 芜湖泰伦特能源科技有限公司 Oil body processing system for new energy automobile capacitor
CN114635879A (en) * 2022-04-08 2022-06-17 河南天原智控环保科技有限公司 A kind of air lift pump capable of conveying sludge and control method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2407002Y (en) * 2000-02-25 2000-11-22 刘红 Pneumatic sludge lifting apparatus
CN201921562U (en) * 2011-01-26 2011-08-10 保定市润利节能环保有限公司 Slagging device in dust removal desulphurization system
CN202482129U (en) * 2011-12-03 2012-10-10 江苏中超环保有限公司 Water gas stripping device
JP2014231050A (en) * 2013-05-30 2014-12-11 株式会社島津製作所 Soil cleaning apparatus utilizing electrical warming means
CN205412356U (en) * 2016-03-08 2016-08-03 南通恒和环保科技有限公司 Liquid eduction gear of sedimentation tank

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2407002Y (en) * 2000-02-25 2000-11-22 刘红 Pneumatic sludge lifting apparatus
CN201921562U (en) * 2011-01-26 2011-08-10 保定市润利节能环保有限公司 Slagging device in dust removal desulphurization system
CN202482129U (en) * 2011-12-03 2012-10-10 江苏中超环保有限公司 Water gas stripping device
JP2014231050A (en) * 2013-05-30 2014-12-11 株式会社島津製作所 Soil cleaning apparatus utilizing electrical warming means
CN205412356U (en) * 2016-03-08 2016-08-03 南通恒和环保科技有限公司 Liquid eduction gear of sedimentation tank

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106731053A (en) * 2016-11-25 2017-05-31 江苏鼎弘环境科技有限公司 A kind of air lift mud discharging device
CN112331497A (en) * 2020-10-27 2021-02-05 芜湖泰伦特能源科技有限公司 Oil body processing system for new energy automobile capacitor
CN114635879A (en) * 2022-04-08 2022-06-17 河南天原智控环保科技有限公司 A kind of air lift pump capable of conveying sludge and control method thereof

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